US20230248177A1 - Beverage preparation device - Google Patents
Beverage preparation device Download PDFInfo
- Publication number
- US20230248177A1 US20230248177A1 US18/005,260 US202118005260A US2023248177A1 US 20230248177 A1 US20230248177 A1 US 20230248177A1 US 202118005260 A US202118005260 A US 202118005260A US 2023248177 A1 US2023248177 A1 US 2023248177A1
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- US
- United States
- Prior art keywords
- flushing
- water
- preparation device
- beverage preparation
- discharge line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000002360 preparation method Methods 0.000 title claims abstract description 141
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 271
- 238000011010 flushing procedure Methods 0.000 claims abstract description 168
- 238000007599 discharging Methods 0.000 claims abstract description 45
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- 238000000034 method Methods 0.000 claims abstract description 9
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- 238000010438 heat treatment Methods 0.000 claims description 14
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- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 description 4
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/60—Cleaning devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/52—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus
- A47J31/525—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus the electronic control being based on monitoring of specific process parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/0042—Details of specific parts of the dispensers
- B67D1/0057—Carbonators
- B67D1/0058—In-line carbonators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/0042—Details of specific parts of the dispensers
- B67D1/0057—Carbonators
- B67D1/0069—Details
- B67D1/0071—Carbonating by injecting CO2 in the liquid
Definitions
- the present invention relates to a beverage preparation device and a method for preparing a beverage.
- a beverage preparation device may be used for on demand beverage dispensing. Such beverage preparation devices are convenient, since the user of the device can on demand request a beverage and subsequently directly consume the beverage.
- water is used for the preparation of the beverage.
- the water comes into contact with several device parts, such as a pump and tubes, which are required for preparing or at least dispensing the beverage.
- Water may be a breeding ground for pathogens (also called “germs”), i.e. an infectious microorganism or agent, such as a virus, bacterium, or fungus.
- pathogens also called “germs”
- other impurities such as a biofilm may be formed in the beverage preparation device.
- germs may produce a disease.
- the beverage preparation device thus needs to be cleaned regularly in order to prevent or at least substantially reduce the germ and impurities formation.
- the beverage preparation machine uses water, which already includes germs and other impurities. This may happen, when the respective water network does not provide germ-free or sanitized water.
- the germs and impurities of the water may accumulate in the beverage preparation device, requiring a regular cleaning of the beverage preparation device in short intervals.
- a beverage preparation device comprises: a discharge line for discharging water via a discharge outlet, a pump for selectively circulating water along the discharge line towards the discharge outlet, and one or more flushing lines with a flushing outlet.
- the beverage preparation device is configured to operate in a discharging mode and in a flushing mode, such that in the discharging mode the pump is arranged to circulate water along the discharge line towards and out of the discharge outlet, and in the flushing mode at least part of the water in the discharge line flows by gravity from the discharge line into the one or more flushing lines and subsequently out of the flushing outlet.
- the flow of the at least part of the water in the discharge line, which flows by gravity into the one or more flushing lines, is therefore opposite to the flow of the water, which circulates along the discharge line in the discharging mode.
- the beverage preparation device thus facilitates that in the flushing mode a flow can be effected by gravity only, which is sufficient to transport impurities (germs, etc.) out of the respective line, in particular out of the discharge line. These impurities may accumulate in the respective line, such as on a wall.
- Cleaning of the beverage preparation device is therefore very efficient and simple, since no additional means such as a pump are required for flushing and thus cleaning the respective lines, in particular the discharge line. Flushing and, thus, cleaning of the respective line may therefore be effected by only switching from the discharging mode into the flushing mode, thereby not requiring a complex control.
- the pump may be arranged to draw at least part of the water from the discharge line into the one or more flushing lines and subsequently out of the flushing outlet.
- the pump may be configured to selectively convey liquid in a first direction (i.e. towards the discharge outlet) or in a second direction (i.e. into the one or more flushing line), which is opposite to the first direction.
- the pump thus supports the flushing by gravity so that cleaning the respective line is even more efficient.
- the pump may be a gear pump or a bidirectional pump.
- At least part of the discharge line may be arranged on a higher level with respect to the vertical.
- water remaining in this part of the discharge line may thus fall by gravity from this higher level along the discharge line and into the one or more flushing lines.
- a flow is effected, which effectively transports impurities such as germs from the discharge line into the one or more flushing lines.
- the beverage preparation device may be configured to automatically switch between the discharging mode and the flushing mode. Thus, no user interaction is required for switching between the discharging mode and the flushing mode. Flushing and, therefore, cleaning of the beverage preparation device thus becomes more convenient.
- the beverage preparation device may be configured to switch between the discharging mode and the flushing mode based on a status of the beverage preparation device, such as the status of a water supply, e.g. a water tank, from which the pump draws water for the circulation along the discharge line.
- a status of the beverage preparation device such as the status of a water supply, e.g. a water tank, from which the pump draws water for the circulation along the discharge line.
- the dependence of switching between the discharging mode and the flushing mode on the status of the beverage preparation device effects that flushing, i.e. the switching into the flushing mode, is carried out at the right time, without requiring a complex control or complex measurements.
- the status may be the presence of the water supply, the functional connection of the water supply with the discharge line (e.g. whether or not water can flow from the water supply into the discharge line), the residence time of water at a specific level in the water supply, the lapsed (consecutive) time in which no water is discharged via the discharge outlet, the temperature of the water within the water supply, and/or combinations thereof.
- the beverage preparation device may comprise one or more valves so that based on controlling the valves the beverage preparation device switches between the discharging mode and the flushing mode.
- the one or more valves may be arranged to move (by controlling the one or more valves) between a first position, in which the one or more flushing lines are connected to the discharge line (i.e. the flushing mode), and a second position, in which the one or more flushing lines are disconnected from the discharge line (i.e. the discharging mode), thereby switching between the discharging mode and flushing mode.
- the beverage preparation device may comprise a first flushing line and a second flushing line, wherein in the flushing mode the discharge line is separated into a first section, which comprises the discharge outlet, and a second section, the first section connecting to the first flushing line, and the second section connecting to the second flushing line, wherein, compared to the second flushing line, the first flushing line is preferably arranged at a higher level with respect to the vertical.
- the beverage preparation device may further comprise a UV lamp arranged for irradiating UV light at a position along the discharge line to sanitize the water. Therefore, the water to be discharged via the discharge line and the discharge outlet is easily sanitized and, thus, purified, and the risk of the discharged water containing germs is eliminated or at least substantially reduced.
- the beverage preparation device may be used with water irrespective of the water quality (e.g. also germ-containing water), since the beverage preparation device provides an integral sanitization of the water, which is subsequently, i.e. when sanitization has been finished by the UV light, dispensed via the discharge outlet.
- the beverage preparation device may further comprise a heating unit arranged for heating and, thus, sanitizing the water, which is to be discharged via the discharge outlet, wherein the heating unit is preferably arranged at a secondary discharge line which selectively connects to (or disconnects from) the discharge line.
- the heater therefore provides an integral means of the beverage preparation device for sanitizing the water.
- the beverage preparation device may further comprise a beverage additive section for dispensing additives, such as in the form of a liquid or in the form of a liquid comprising solid particles, via the discharge outlet.
- the additives may thus in combination with the water discharged via the discharge outlet form a final product, which has, dependent on the additives, a specific taste and/or function.
- the beverage additive section may be arranged in a secondary discharge line (e.g. the before-mentioned secondary discharge line of the heater) connecting the discharge line with the discharge outlet.
- a secondary discharge line e.g. the before-mentioned secondary discharge line of the heater
- the additives may comprise at least one of the group consisting of: flavours, aromas (for example orange, peach, lemon, etc.), minerals, a mineral liquid concentrate, a functional concentrate (such as an additive comprising a vitamin, caffeine or another coffee extract; “functional concentrate” is to be understood as having an effect on the consumer, such as a product that is probiotic, prophylactic, stimulatory, etc.), an edible flavouring concentrate, a tea and/or coffee extract, a fruit juice, a minerals mother solution or combinations thereof.
- flavours for example orange, peach, lemon, etc.
- minerals for example orange, peach, lemon, etc.
- a functional concentrate such as an additive comprising a vitamin, caffeine or another coffee extract
- functional concentrate is to be understood as having an effect on the consumer, such as a product that is probiotic, prophylactic, stimulatory, etc.
- an edible flavouring concentrate such as a tea and/or coffee extract, a fruit juice, a minerals mother solution or combinations thereof.
- the beverage additive section is preferably adapted to dispense the additives to the water, which is to be dispensed through the discharge outlet, such that the additives designate an amount up to 5%, preferably 0.05% to 1%, preferably 0.1% to 0.5% by volume, of the resulting liquid material in the final product.
- the beverage preparation device may further comprise an in-line carbonation device for entering CO 2 (carbon dioxide) into the discharge line.
- CO 2 carbon dioxide
- the beverage preparation device may discharge a beverage with carbonated water (soda water, sparkling water, seltzer, or seltzer water, etc.) containing dissolved carbon dioxide gas.
- the beverage preparation device may further comprise a collecting container, such as a drip tray, wherein the collecting container is arranged to collect the water, which flows via the flushing outlet out of the one or more flushing lines.
- the collection of the residual water is, thus, conveniently carried out.
- the collecting container may be detachable so that the user may easily remove the collecting container from the beverage preparation device in order to dispose of the water, collected by the collecting container.
- the collecting container may be arranged to collect water, such as residual water, flowing out of the discharge outlet.
- the collecting container may be arranged opposite to the discharge outlet so that, when a container such as a cup is positioned below the discharge outlet for collecting the discharged beverage, the container is arranged between the discharge outlet and the collecting container.
- a method for preparing a beverage comprises the steps of: circulating water along a discharge line of a beverage preparation device and towards a discharge outlet of the discharge line, stopping the circulation of water along the discharge line, and connecting one or more flushing lines to the discharge line so that at least part of the water in the discharge line flows by gravity and/or through the reverse pumping function from the discharge line into the one or more flushing lines and subsequently out of a flushing outlet of the one or more flushing lines.
- the method may further comprise the steps of: detecting a status of the beverage preparation device, such as the status of a water supply from which water is drawn for the circulation along the discharge line, and connecting, based on the status of the beverage preparation device, the one or more flushing lines to the discharge line.
- detecting a status of the beverage preparation device such as the status of a water supply from which water is drawn for the circulation along the discharge line
- connecting based on the status of the beverage preparation device, the one or more flushing lines to the discharge line.
- FIG. 1 shows a schematic view of a beverage preparation device according to a first preferred embodiment of the invention, wherein the beverage preparation device operates in the discharging mode with optional dispensing of additives;
- FIG. 2 shows a schematic view of a beverage preparation device according to a second preferred embodiment of the invention, wherein the beverage preparation device operates in the discharging mode;
- FIG. 3 shows the beverage preparation device according to FIG. 2 , wherein the beverage preparation device operates in the flushing mode
- FIG. 4 shows the beverage preparation device according to FIG. 2 , wherein the beverage preparation device operates in the discharging mode with optional sanitization.
- FIG. 1 exemplarily shows a beverage preparation device 1 or water system according to a preferred embodiment of the invention.
- the beverage preparation device 1 may be adapted for being used by a consumer, who requests (on demand) a beverage from the beverage preparation device 1 . That is, the beverage preparation device 1 may be adapted to discharge a beverage that is ready for drinking by the consumer, i.e. a ready-to-drink beverage.
- the beverage preparation device 1 is not limited to a specific design.
- the beverage preparation device 1 is designed to be used on the side of a business (B2B) and/or on the side of a customer (B2C).
- the beverage preparation device 1 may be designed as a vending machine (airport, mall, public area, etc.), in B2B (hotel, restaurant, café, i.e. “HoReCa”, fitness center, office, etc.) and/or B2C (e.g., at home).
- the beverage preparation device 1 may be designed as a vending machine, a water dispenser, and/or a home appliance device.
- the beverage preparation device 1 may be designed for being mounted or positioned to a wall (wall-mounted), a bottom, and/or a tabletop, and/or the beverage preparation device 1 may have a freestanding design.
- the beverage preparation device 1 may comprise a connection for a power supply in order to supply the respective components of the beverage preparation device 1 with electrical energy.
- the beverage preparation device comprises a discharge line 23 for discharging water via a discharge outlet 24 .
- the discharge outlet 24 may be arranged such that water flowing through the discharge outlet 24 is discharged out of the beverage preparation device 1 , such as in a container 25 (e.g. a cup) positioned downstream of the discharge outlet 24 with respect to a flow from the discharge line 23 to the discharge outlet 24 .
- the discharge outlet 24 may be arranged such that the flow of water exiting the discharge outlet 24 can (e.g. directly) enter the container 25 , which is, for example, positioned on a support of the beverage preparation device 1 .
- the discharge outlet 24 is positioned opposite and/or above said support.
- the discharge line 23 may comprise a water inlet 21 .
- the discharge line 23 is not limited to a specific design or arrangement.
- the discharge line 23 extends in a straight, angled and/or arcuate manner.
- the discharge line 23 may partially extend in an arcuate manner.
- the discharge line 23 may comprise a section 231 .
- the section 231 may be arranged such that water, which is to be discharged via the discharge outlet 24 , is required to have enough energy to flow beyond this section 231 and subsequently out of the discharge outlet 24 . If the discharge line 23 is at least in part designed in an angled and/or arcuate manner, the section comprising the arch (or bend) may then comprise the section 231 .
- the discharge line 23 may be composed of a first section 28 and a second section 27 , 30 .
- the first section 28 may be the part of the discharge line 23 , which comprises the discharge outlet 23 .
- the first section 28 may thus comprise the arcuately extending part of the discharge line 23 and/or may comprise the section 231 .
- the first section 28 may comprise also a part of the discharge line 23 , which extends in a substantially straight and/or vertical manner.
- the second section may be composed of an inlet line 27 and a delivery line 30 .
- the second section 27 , 30 such as the inlet line 27 , preferably comprises the water inlet 21 so that via the water inlet 21 water can enter the second section 27 , 30 respectively inlet line 27 .
- water can be delivered into the second section 27 , 30 (for example into the inlet line 27 and subsequently into the delivery line 30 ) and subsequently into the first section 28 to be finally discharged from the discharge outlet 24 .
- the beverage preparation device 1 further comprises a pump 26 (i.e. a main pump) to circulate water selectively along the discharge line 23 and towards the discharge outlet 24 and finally out of the discharge outlet 24 .
- the pump 26 may be arranged to pump the water such that the water (still or sparkling), which is discharged out of the discharge outlet 24 , has a specific flow rate, which is, for example, in the range from 1 l/min to 3 l/min, preferably 2 l/min.
- the pump 26 is preferably arranged at a position along the discharge line 23 , for example next to the water inlet 21 of the discharge line 23 and/or at the delivery line 30 .
- the pump 26 preferably provides a flow rate or energy to the water so that this water can flow beyond the section 231 and subsequently out of the discharge outlet 24 .
- the pump 26 may be a pump, which can deliver liquid, in particular water, in two directions, which are opposite to one another, i.e. along the discharge line 23 and towards (first direction) and away from (second direction) the discharge outlet 24 .
- the pump 26 is a gear pump (it can also be a bidirectional pump).
- the beverage preparation device 1 may be adapted to be connectable to or may comprise a water supply 6 .
- the water supply 6 may be functionally connectable or connected to the discharge line 23 , e.g. via the water inlet 21 of the discharge line 23 , to deliver water from the water supply 6 into the discharge line 23 , such as by operating the pump 26 .
- the water supply 6 may be a (external) water tank, which can store a defined amount of water, such as between 1 and 6 l, preferably 3 l.
- the water tank may be adapted to filter the water inside of the water tank.
- the water tank comprises a water filter 9 for filtering the water inside of the water tank.
- Filtering of the water by the water filter 9 may be carried out by arranging the water filter 9 such that water, which is supplied into the water tank, passes through the water filter 9 (e.g., by gravity), thereby filtering the water; this water is then also called “prefiltered water”.
- the water filter 9 may be arranged such that water passing through and, thus, filtered by the water filter 9 flows into a chamber of the water tank, which is dedicated for the so filtered (“pre-filtered”) water.
- This chamber may be adapted to store a defined amount of pre-filtered water, such as 1.5 l.
- the remaining part of the water tank other than this chamber may define a further chamber, which has a defined volume, such as 1.5 or 3 l.
- the water filter 9 is not limited to a specific water filter as long as the water filter 9 can prevent particles (such as germs or other particles facilitating the formation of germs, i.e. impurities) from moving into the discharge line 23 .
- the water filter 9 may comprise at least one of the group consisting of a particle filter, an ultrafiltration device, and nano-filtration device, an active carbon device, and a reverse osmosis device.
- the water filter 9 may be also arranged in the discharge line 23 . As such, filtering of the water may be also carried out without having the water supply 6 designed as a water tank.
- the water supply 6 may be detachably provided with respect to the beverage preparation device 1 .
- a user of the beverage preparation device 1 may detach the (e.g. empty) water supply 6 in order to subsequently attach a new (e.g., full) water supply 6 to or in the beverage preparation device 1 .
- the water supply 6 may comprise a port, wherein via this port water can be filled into the water supply 6 , and/or wherein this port (a water connection) is adapted to connect with a water network, such as with an outlet for mains water (tap water).
- a water network such as with an outlet for mains water (tap water).
- the port may be the water inlet 21 .
- the water supply 6 may also be integrally provided with the beverage preparation device 1 .
- the water supply 6 may comprise a part of the housing of the beverage preparation device 1 and/or may be permanently (e.g. by way of a material connection such as welding) connected to the beverage preparation device 1 .
- the pump 26 is therefore configured to move (i.e. pump) water from the water supply 6 via the water inlet 21 into the discharge line 23 and finally out of the discharge outlet 24 .
- the water supply 6 may be arranged such that water is supplied or moved from the water supply 6 into the discharge line 23 by gravity, so that the gravity supports the pumping by the pump 26 from the water supply 6 into the discharge line 23 (alternative to gravity would be pumping backwards to accelerate the discharge).
- the pump 26 can thus be downsized, i.e. designed in a more simple manner.
- a valve may be provided, which is configured to selectively allow or not allow a flow of water from the water supply 6 into the discharge line 23 .
- the water supply 6 may be adapted to cool the water within the water supply 6 .
- the water supply 6 may comprise a cooling unit (not shown) to cool or chill the water within the water supply 6 .
- the water may thus be cooled to comprise a temperature in the range from 0° C. to 5° C.
- the beverage preparation device 1 may comprise a UV lamp 40 arranged for irradiating UV light at the position along the discharge line 23 to sanitize the water.
- Sanitizing water with UV light may be also called ultraviolet germicidal irradiation (UVGI).
- UVGI ultraviolet germicidal irradiation
- the irradiating UV light (short-wavelength ultraviolet, UV-C) kills or inactivates the germs by destroying structures of the germs, such as nucleid acis, leaving the germs unable to produce a disease.
- UV light kills or inactivates germs such as microorganisms by destroying biomolecules such as nucleid acids and disrupting their DNA, leaving them unable to perform vital cellular functions.
- the wavelengths of the irradiated UV light may be short-wavelength UV (UVC; “germicidal UV”) and/or may be in the range from about 200 nm to 300 nm. These wavelengths are strongly absorbed by the germs/nucleic acids, wherein the absorbed energy results in defects of the germs, including, for example, pyrimidine dimers. These dimers can prevent replication or can prevent the expression of necessary proteins, resulting in the death or inactivation of the organism of the germ.
- the UV lamp 40 may comprise a light source arranged for emitting (irradiating) the UV light.
- the UV lamp 40 comprises a Mercury based lamp, ultraviolet light-emitting diodes, and/or a pulsed-xenon lamp.
- the UV lamp 40 may be arranged at any position suitable for sanitizing the water, which is to be discharged via the discharge outlet 24 , by the irradiated UV light.
- the UV lamp 40 may be arranged to irradiate UV light into the first section 28 and/or the second section 27 , 30 of the discharge line 23 , in particular into one or more of the inlet line 27 , delivery line 30 , and first section 28 (such as into the straightly and/or arcuately extending part of the first section 28 ).
- the UV lamp 40 is arranged to irradiate the UV light at the discharge outlet 24 .
- the UV lamp 40 may be a single UV lamp or may comprise a plurality of UV lamps, wherein each of these UV lamps is arranged to irradiate UV light into a respective one of the lines 27 , 30 , 28 .
- the beverage preparation device 1 may further comprise an in-line carbonation device 50 .
- the in-line carbonation device 50 is adapted for entering carbon dioxide (CO 2 ) into the circulating water.
- CO 2 carbon dioxide
- the carbon dioxide may enter into the circulating water in the discharge line 23 .
- an orifice 51 may be arranged in the first section 28 of the discharge line 23 .
- the orifice 51 may connect a part, such as a straight part, of the discharge line 23 or first section 28 with another part, such as an arcuate part, of the discharge line 23 or first section 28 ; in other words, the orifice 51 may be arranged between those parts of the discharge line 23 .
- the carbon dioxide from the in-line carbonation device 50 may enter into this orifice 51 .
- the orifice 51 may extend straight and/or may be designed as a chamber, such as a mixing chamber.
- the chamber may facilitate that the carbon dioxide effectively enters into the circulating water.
- a carbon dioxide line 52 may be arranged to connect the in-line carbonation device 50 with the circulating water, for example with the discharge line 23 so that the carbon dioxide can enter into the circulating water.
- a valve 53 e.g. an on/off valve
- the beverage preparation device 1 further comprises a beverage additive section 60 for dispensing additives via the discharge outlet 24 .
- the beverage additive section 60 may add the additives at a position upstream or downstream of the discharge outlet 24 , or at the discharge outlet 24 .
- the beverage additive section 60 may be arranged to dispense only additives and/or to add the additives to water so that the additives provided in the water are subsequently dispensed by the discharge outlet 24 and added to or mixed with the water discharged from the discharge line 23 .
- the beverage additive section 60 may add the additives to (purified) water, which is already sanitized.
- the beverage preparation device 1 comprises a further (secondary) discharge line 61 , which connects the discharge line 23 with the discharge outlet 24 .
- the inlet line 27 of the recirculation line 20 may branch into the delivery line 30 and the secondary discharge line 61 .
- the water flowing in the inlet line 27 flows both in the delivery line 30 and the secondary discharge line 61 .
- One or more valves may be provided to accordingly control the water flowing through the (primary) discharge line 23 and secondary discharge line 61 .
- the one or more valves may be, in particular, adapted to control the flow rate in each of the primary discharge line 23 and secondary discharge line 61 , and/or to allow and stop the flow along the secondary discharge line 61 .
- the beverage additive section 60 may dispense the additives via the discharge outlet 24 automatically or on demand, for example in response to a user input (on a user interface such as a button or touch screen). Dispensing of the additives may be carried out by a dedicated dispensing unit, which is adapted to dispense the required amounts of the additive(s) for the final product.
- the beverage additive section 60 may comprise a pump 62 (e.g. an infusion pump), which is adapted to pump water from the water supply 6 or discharge line 23 , e.g. from the inlet line 27 , into the secondary discharge line 61 . The additives are added to this pumped water for being subsequently dispensed via the discharge outlet 24 .
- a pump 62 e.g. an infusion pump
- the beverage preparation device 1 may comprise a heating unit (boiler) 63 arranged for heating and, thus, sanitizing the water, which is to be discharged via the discharge outlet 24 .
- the heating unit 63 may heat the water so that the water becomes a defined temperature sufficient for sanitization, such as 90° C.
- the heating unit 63 is preferably arranged at a secondary discharge line such as the secondary discharge line 61 , without necessarily requiring the beverage additive section 60 .
- the secondary discharge line 61 may be selectively connectable to the discharge line 23 . More specifically, and as shown in FIG.
- the secondary discharge line 61 may selectively connect, in a first position of a valve 69 , to the discharge line 23 , in particular to the delivery line 30 .
- water is pumped, for example by the pump 62 , into the secondary discharge line 61 , subsequently heated and, thus, sanitized by the heating unit 63 and finally delivered into the discharge line 23 , such as into the delivery line 23 .
- the heated water flows via the discharge line 23 towards and then through the discharge outlet 24 . Since the water is heated, the flow of water can facilitate the cleaning of the discharge line 23 , such as the releasing of impurities (biofilm, germs, etc.) from the discharge line 23 .
- Pumping of the water may be such that the water, which is heated by the heating unit 63 , has a flow rate in the range from 0.1 l/min to 0.3 l/min, preferably about 0.2 l/min. Thus, a particularly good sanitization of the water is achieved.
- a sanitization cycle in which the heating unit 63 and preferably the UV lamp 40 are used/activated for sanitizing the water, a defined amount of water is heated, such as 60 ml.
- the beverage preparation device 1 may be adapted to activate this sanitization cycle in a defined frequency, for example when at most 72 h have lapsed after the last usage of the beverage preparation device 1 and/or of the beverage additive section 60 (e.g. after the last capsule is used in the section 60 ).
- the secondary discharge line 61 may be disconnected from the discharge line 23 to be used in the beverage additive section 60 .
- the water, previously heated by the heating unit 63 may be delivered into the beverage additive section 60 so that additives, added to the heated water, may further develop in the heated water, for example with respect to the function of the additive and/or the taste of the additive, e.g. by effecting a chemical reaction such as extraction or infusion.
- the heating unit 63 may be arranged downstream of the pump 62 and upstream of a section, where the additives are added, with respect to the flow direction of the pump 62 .
- the beverage additive section 60 may be adapted to inject air into the additive and/or the water of the secondary discharge line 62 , to which the additive is added.
- the beverage additive section 61 comprises an air pump 64 for said injection of air.
- the beverage additive section 60 may thus be operable in a first mode and a second mode, wherein in the first mode air injection is carried out/activated, wherein in the second mode air injection is not carried out/deactivated.
- the beverage additive section 60 may comprise a valve 65 such as a (two-) way valve. In a first position of the valve 65 , the flow of water flowing from the secondary discharge line 61 is flowing to an air injection line 66 , in which air is injected into the water, e.g.
- the beverage additive section 60 may comprise an exhaust port 67 , which is adapted for exhausting air out of the beverage additive section 60 .
- the exhausted air maybe, for example, air that remains in the beverage additive section 60 without having being injected into the water.
- the exhaust port 67 may be selectively moved between an open (exhaust) position and a closed position, e.g. by way of a (two-) way valve 68 .
- the additive may be in the form of a liquid or in the form of a liquid, which comprises solid (additive) particles.
- the additive may be provided in a dedicated container (a cartridge, a capsule, etc.) that may be detachably connected to and/or may be adapted to be removed from the beverage additive section 60 .
- a dedicated container a cartridge, a capsule, etc.
- the beverage preparation device 1 may be adapted to choose among a plurality of additives.
- the additives may be added to provide infused water.
- the additives comprise at least one of the group consisting of: flavours, aromas (for example orange, peach, lemon, etc.), minerals, a mineral liquid concentrate, a functional concentrate (such as an additive comprising a vitamin, caffeine or another coffee extract), an edible flavouring concentrate, a tea and/or coffee extract, a fruit juice, a minerals mother solution or combinations thereof.
- a “functional concentrate” is to be understood as having an effect on the consumer, such as a product that is probiotic, prophylactic, etc.
- the beverage additive section 60 is preferably adapted to dispense the additives to the water from the primary discharge line 23 and/or the secondary discharge line 61 such that the additives designate an amount up to 5%, preferably 0.05% to 1%, preferably 0.1% to 0.5% by volume, of the resulting liquid material in the final (beverage) product.
- the final product may be (pure) water, soda, lemonade, a soup, etc.
- the beverage preparation device 1 further comprises one or more flushing lines.
- the beverage preparation device 1 comprises only one flushing line 90 .
- the flushing line 90 has a respective flushing outlet 91 .
- the beverage preparation device 1 is configured to operate in a discharging mode and in a flushing mode, i.e. the beverage preparation device 1 can be selectively switched into the discharging mode or the flushing mode.
- the beverage preparation device 1 is arranged for dispensing a beverage, which means that the pump 26 is arranged to circulate water along the discharge line 23 and towards and out of the discharge outlet 24 , preferably into the container 25 .
- at least part of the water in the discharge line 23 (at least 50 ml), such as residual water, then flows by gravity from the discharge line 23 into the flushing line 90 and subsequently out of the flushing outlet 91 .
- This provides a very cheap solution for flushing and, thus, cleaning the discharge line 23 , since the pump 26 or any other means, which requires external (electrical) energy, is not necessarily required to operate for the flushing.
- the pump 26 may thus be deactivated.
- the pump 26 may be also activated in order to support the flushing, that is, in the flushing mode, the pump 26 may be activated and arranged to draw at least part of the water from the discharge line 23 into the flushing line 90 and subsequently out of the flushing outlet 91 .
- the pump 26 thus draws water along a direction of the discharge line 23 , which is opposite to the direction, along which the water circulates along the discharge line 23 to be subsequently discharged via the discharge outlet 24 .
- a very effective cleaning of the beverage preparation device 1 in particular of the discharge line 23 , is achieved.
- the discharge line 23 is, compared to the flushing line 90 , arranged on a higher level with respect to the vertical.
- the flushing line 90 may extend substantially in the horizontal, or (slightly) oblique to the horizontal (such as at an angle in the range from 0.5-5°), whereas part of the discharge line 23 , such as the first section 28 , does not extend in the horizontal.
- part of the first section 28 may extend only in the vertical.
- Switching between the discharging mode and the flushing mode is preferably done automatically, for example by means of a (electronic) control unit (not shown). Additionally or alternatively, switching between the discharging mode and the flushing mode may be done manually, such as by means of a dedicated user interface (button, touchscreen, etc.).
- the flushing can also be electrically activated by detection of the removal of the water tank. Based on certain parameters, an automatic switching into the flushing mode or the discharging mode may thus be carried out. Hence, a sufficient flushing frequency can be easily ensured. For example, based on a status of the beverage preparation device 1 , the beverage preparation device 1 may switch between the discharging mode and the flushing mode.
- the status of the beverage preparation device 1 may be detected or sensed by a dedicated sensor, or the status may be derived from parameters of the beverage preparation device 1 . As such, when the status fulfills a defined criterion, such as exceeding or falling below a defined threshold value, the beverage preparation device 1 , such as the control unit, may decide to (automatically) switch into the flushing mode or the discharging mode.
- the status may be of the water supply 6 , such as the presence of the water supply 6 .
- the presence and non-presence of the water supply 6 may be sensed by a dedicated presence sensor.
- the beverage preparation device may automatically switch into the flushing mode.
- the beverage preparation device 1 may automatically switch out of the flushing mode, such as into the discharging mode.
- the detection of the presence may be implemented such that the time of the presence of the water supply 6 is detected, so that based on this time, e.g.
- the beverage preparation device 1 may also include a reminder function so that based on said time of the presence of the water supply 6 , a reminder, such as in the form of a visual and/or acoustic signal, may be generated in order to remind the user of the beverage preparation device 1 that the water supply stays for a (too) long period of time.
- a reminder such as in the form of a visual and/or acoustic signal
- other statuses of or with respect to the water supply 6 may be used for switching between the discharging mode and the flushing mode, such as the functional connection of the water supply 6 with the discharge line 23 , the residence time of water at a specific level in the water supply 6 , and/or the temperature of the water within the water supply 6 .
- the functional connection may be detected by a dedicated sensor, for example a sensor detecting whether the water supply 6 properly mates with the device 1 , such as with the water inlet 21 .
- the level of the water in the water supply 6 and/or the temperature of the water may be respectively sensed by a dedicated sensor, i.e. a level sensor and a thermometer, respectively.
- the residence time at the specific level and/or the temperature of the water in the water supply may be an indicator that for a (too) long time no beverage has been dispensed and that, thus, a cleaning of the beverage preparation device 1 by switching into the flushing mode is required.
- the status of the beverage preparation device 1 may be in general the lapsed time in which no water is discharged via the discharge outlet 24 . Thus, when this lapsed (continuous) time exceeds a predefined time, the beverage preparation device 1 may automatically switch into the flushing mode.
- the flushing line 90 may be arranged to selectively connect to the discharge line 23 (flushing mode) or disconnect from the discharge line 23 (discharging mode) in order to switch between the discharging mode and the flushing mode.
- the beverage preparation device 1 may comprise one or more valves so that based on controlling these valves (by the control unit) the beverage preparation device 1 switches between the discharging mode and the flushing mode.
- the beverage preparation device 1 comprises (only) one valve 93 for switching between the discharging mode and the flushing mode. More specifically, the valve 93 is moveable between a first position and a second position, wherein in the first position the beverage preparation device 1 is in the discharging mode (see FIG.
- the valve 93 may, in the first position (discharging mode), connect the first section 28 of the discharge line 23 with the second section 27 , 30 of the discharge line 23 , in particular with the delivery line 30 .
- the valve 93 may connect the first section 28 with the flushing line 90 , so that at least part of the water of the discharge line 23 can flow from the first section 28 via the valve 93 into the flushing line 90 to be discharged via the flushing outlet 91 . Consequently, the first section 28 is not connected to (i.e. separated from) the second section 27 , 30 , when the valve 93 is in the second position.
- the beverage preparation device 1 may comprise a collecting container 94 , such as a drip tray.
- the collecting container 94 is thus arranged to collect the water, which flows via the flushing outlet 91 out of the one or more flushing lines 90 .
- the collecting container 94 may be also arranged to collect water, such as residual water, which flows out of the discharge outlet 94 .
- the collecting container 94 may be arranged opposite to the discharge outlet 24 or may be arranged to face the discharge outlet 24 .
- the collecting container 94 is designed as a support for the container 25 , or if the collecting container 94 is arranged below the support for the container 25 , the container 25 is, when used for collecting the beverage dispensed from the discharge outlet 24 , preferably arranged between the discharge outlet 24 and the collecting container 94 .
- the collecting container 94 may be removably arranged with respect to the beverage preparation device 1 , so that a user can easily remove the container 94 and, thus, dispose of the water collected by the container 94 .
- the embodiment shown in FIG. 2 differs from the embodiment shown in FIG. 1 in particular in that the beverage preparation device comprises a plurality of flushing lines, namely the (first) flushing line 90 and the further (second) flushing line 95 .
- the description with respect to the first flushing line 90 applies, unless specified differently, to the second flushing line 95 .
- the second flushing line 95 comprises a respective (second) flushing outlet 96 .
- the second section 27 , 30 of the discharge line 23 may be connected to the second flushing line 95 .
- residual water in the first section 28 of the discharge line 23 thus flows into the first flushing line 90
- residual water in the second section 27 , 30 of the discharge line 23 flows into the second flushing line 95 .
- the second section 27 , 30 of the discharge line 23 may at least in part extend vertically.
- the second section 27 , 30 may comprise two horizontally extending parts and one vertically extending part, wherein the vertically extending part is between the horizontally extending parts, as shown in FIG. 3 .
- the flushing lines 90 , 95 are not limited to a specific arrangement with respect to one another. Compared to the second flushing line 95 , the first flushing line 90 may be arranged at a higher level with respect to the vertical. Thus, the first flushing line 90 may be arranged for removing residual water from the part of the discharge line 23 , which extends on a first (higher) level, such as from the the first section 28 , and the second flushing line 95 may be arranged for removing residual water from the part of the discharge line 23 , which extends on a second (with respect to the first level lower) level, such as the section 27 , 30 .
- the flushing lines 90 , 95 may at least in part extend horizontally and/or parallel to one another.
- the collecting container 94 may be arranged to collect the water, which flows via the flushing outlet 96 out of the flushing line 95 .
- the flushing outlet 96 may be arranged such that water flowing out of the flushing outlet 96 flows into the container 94 from a lateral side of the container 94 .
- the flushing outlet 91 may be arranged such that water flowing out of the flushing outlet 91 flows into the container 94 along a direction from above of the container 94 , such as along a vertical direction.
- the beverage preparation device 1 may comprises the (first) valve 93 and a further (second) valve 97 .
- This valve 97 is designed and arranged analogously to the valve 93 . That is, the valve 97 may be moveable between a first position and a second position, wherein in the first position the beverage preparation device 1 is in the discharging mode, and wherein in the second position the beverage preparation device 1 is in the flushing mode. As shown in FIG. 2 , the valve 97 may be, in the first position (discharging mode), not connected the second section 27 , 30 of the discharge line 23 to (i.e. disconnected from) the second flushing line 95 .
- the valve 97 may connect the second section 27 , 30 with the second flushing line 95 , so that residual water in the second section 27 , 30 , i.e. in both the inlet line 27 and the delivery line 30 , can flow by gravity via the valve 97 into the second flushing line 95 to be discharged via the flushing outlet 96 .
- a particularly good flushing of the discharge line 23 is thus achieved, namely a flushing of both the first section 28 (by the first flushing line 90 ) and the second section 27 , 30 (by the second flushing line 95 ).
- a “line” is to be understood in a broad manner, i.e. any structure adapted for conveying, guiding and/or moving a liquid or fluid.
- a “line” may be a tube, a pipe, a channel, or a conduit.
- the water supply 6 is not limited for storing an amount of water only.
- the water supply 6 may be adapted to store or provide an amount of soda, lemonade, soup, etc.; in other words, the water supply 6 may be adapted to provide or store a liquid material, which comprises, besides the amount of water, other ingredients, resulting in compositions such as soda, lemonade, soup, etc.
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Dispensing Beverages (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP20185868 | 2020-07-15 | ||
EP20185868.5 | 2020-07-15 | ||
PCT/EP2021/067302 WO2022012894A1 (fr) | 2020-07-15 | 2021-06-24 | Dispositif de préparation de boisson |
Publications (1)
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US20230248177A1 true US20230248177A1 (en) | 2023-08-10 |
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ID=71786726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US18/005,260 Pending US20230248177A1 (en) | 2020-07-15 | 2021-06-24 | Beverage preparation device |
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US (1) | US20230248177A1 (fr) |
EP (1) | EP4181743A1 (fr) |
WO (1) | WO2022012894A1 (fr) |
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CN102065735A (zh) * | 2008-02-06 | 2011-05-18 | 透凯国际公司 | 制备饮料的设备和清洗该设备的方法 |
US10202269B2 (en) * | 2011-12-26 | 2019-02-12 | Neviot—Nature Of Galilee Ltd. | Beverage dispenser and method for sanitation thereof |
DE102015008811A1 (de) * | 2015-07-10 | 2017-01-12 | Stefan Scharfenberg | Getränkeautomat zur Zubereitung von Brühgetränken und Verfahren zum Reinigen wenigstens eines Bereichs eines Getränkeautomaten |
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2021
- 2021-06-24 US US18/005,260 patent/US20230248177A1/en active Pending
- 2021-06-24 WO PCT/EP2021/067302 patent/WO2022012894A1/fr unknown
- 2021-06-24 EP EP21735689.8A patent/EP4181743A1/fr active Pending
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WO2022012894A1 (fr) | 2022-01-20 |
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